Blach went 8-12 in his first full major league season and emerged as a strong fill-in for Bumgarner when the 2014 World Series MVP missed nearly three months after an April 20 dirt bike accident in Colorado.

The 31-year-old Holland pitched his first eight seasons for Texas, then went 7-14 with a 6.20 ERA in 29 outings and 26 starts last year for the White Sox.

San Francisco's pitchers and catchers report to Scottsdale, Arizona, on Tuesday, with their first workout Wednesday.